CVE-2026-20349

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of servic...

CVE-2026-20349

The CVE-2026-20349 issue affects Cisco Secure Firewall ASA/FTD Remote Access SSL VPN, caused by insufficient error checking when processing HTTP requests. An unauthenticated, remote attacker can send a crafted HTTP request to the VPN service and cause the device to reload, triggering a denial-of-...

VulnCheck KEV: CVE-2026-20349

Cisco Secure Firewall Adaptive Security Appliance ASA and Secure Firewall Threat Defense FTD contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS condition...

PT-2026-70366

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA affected versions not specified Cisco Secure Firewall Threat Defense FTD affected versions not specified Description Insufficient error checking when processing HTTP requests in the Remote...